344338-62-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344338-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,3 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 344338-62:
(8*3)+(7*4)+(6*4)+(5*3)+(4*3)+(3*8)+(2*6)+(1*2)=141
141 % 10 = 1
So 344338-62-1 is a valid CAS Registry Number.
344338-62-1Relevant articles and documents
DICETONES-1,4 THIOSUBSTITUEES
Duhamel, Lucette,Chauvin, Joee,Goument, Colombe
, p. 2095 - 2098 (2007/10/02)
The alkylation of o-silylated enolates of ketones by α-chloro, α-(phenylthio or arylthio) ketone 1 in presence of Lewis acids leads to thiosubstituted 1,4 diketones 4 with good yields.